US4459778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting device for a slat blind contained in a sealed double glazed window
Assignee: Individual
•
Filing: 1982-12-27
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Granted: 1984-07-17
•
Expires: 2002-12-27
Abstract
Abstract A sealed double glazed window comprises two spaced panes of glass sealed in a frame and a slat blind positioned in the space between the panes having control means for adjusting the slats. The inner pane of glass has a hole therethrough for providing access to the control means of the slat blind. An adjusting device is mounted about the hole so that the slats of the blind may be adjusted while maintaining the window seal. The adjusting device has a flexible diaphragm sealed about the hole and has adjusting means passing through the hole from the diaphragm to the control means thereby maintaining the hermetic seal of the window unit.
Inventors
- 👤 James Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:19
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/264
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
94 words
A sealed double glazed window comprising: two spaced panes of glass sealed in a frame; a slat blind positioned in the space between the panes, said blind having control means for adjusting the slats; one pane of glass having an aperture therethrough for providing access to the control means; and an adjusting device mounted about the aperture so that the slats may be adjusted while maintaining the window seal, said device having a flexible diaphragm sealed about the aperture and having adjusting means passing through the aperture from the diaphragm to the control means.
Claim 2
Dependent Claim
94 words
A sealed double glazed window comprising: two spaced panes of glass sealed in a frame; a slat blind positioned in the space between the panes, said blind having control means for adjusting the slats; one pane of glass having an aperture therethrough for providing access to the control means; and an adjusting device mounted about the aperture so that the slats may be adjusted while maintaining the window seal, said device having a flexible diaphragm sealed about the aperture and having adjusting means passing through the aperture from the diaphragm to the control means.
Claim 3
Dependent Claim
48 words
The window as claimed in claim 1, further comprising a threaded plug inserted in the aperture upon which plug the adjusting device is threaded to provide snug engagement of the device against the glass about the aperture, said plug having a hole therethrough to accommodate the adjusting means.
Claim 4
Dependent Claim
45 words
The window as claimed in claim 2, wherein the adjusting means comprises a member having at least two flat sides and the hole in the plug being shaped to provide a sliding fit for the member so that rotational movement of the member is restricted.
Claim 5
Dependent Claim
21 words
The window as claimed in claim 1, wherein the adjusting means and the control means comprise a rack and pinion arrangement.
Claim 6
Dependent Claim
22 words
A window as claimed in claim 1, further comprising actuating means for moving the adjusting means back and forth through the aperture.
Claim 7
Dependent Claim
54 words
A window as claimed in claim 5, wherein the actuating means comprises a nut positioned in the adjusting device and a bolt, the bolt being attached to the adjusting means at one end and threaded into the nut at the other end so that rotation of the nut causes longitudinal movement of the bolt.
References Cited (Backward Citations)
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US2490295A
Cited
US2631339A
Cited
US3201832A
Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-17 | 1988-01-16 | 1988-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-17 | 1992-01-16 | 1992-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-17 | 1996-01-16 | 1996-07-17 | $7700.00 | Window Closed / Lapsed |